Hui Liu, Guoqing Li

Ofdm-Based Broadband Wireless Networks

Design and Optimization

• Gebundenes Buch

Produktbeschreibung

OFDM-based Broadband Wireless Networks covers the latest technological advances in digital broadcasting, wireless LAN, and mobile networks to achieve high spectral efficiency, and to meet peak requirements for multimedia traffic. The book emphasizes the OFDM modem, air-interface, medium access-control (MAC), radio link protocols, and radio network planning.
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Produktdetails

• Verlag: Wiley & Sons
• Artikelnr. des Verlages: 14672346000
• 1. Auflage
• Seitenzahl: 264
• Erscheinungstermin: 1. November 2005
• Englisch
• Abmessung: 243mm x 159mm x 19mm
• Gewicht: 485g
• ISBN-13: 9780471723462
• ISBN-10: 0471723460
• Artikelnr.: 15167746

Autorenporträt

HUI LIU, PhD, is Associate Professor in the Electrical Engineering Department at the University of Washington. Dr. Liu has published more than forty journal articles and holds eighteen awarded or pending patents. He founded Broadstorm Inc. in 2000 and developed the world's first OFDMA-based mobile broadband system. He is the author of Signal Processing Applications in CDMA Communications and is the General Chairman for the 2005 Asilomar Conference on Signals, Systems, and Computers. GUOQING LI, PhD, is a Research Scientist in the Communication Technology Lab of Intel, where she works on broadband wireless technologies. Previously, Dr. Li worked as a senior system engineer at UTStarcom, developing algorithms for physical, multiple access control, radio link control, and radio resource control layers for 3G-WCDMA and IS-95 networks. Dr. Li has published more than twenty journal articles and conference papers.

Inhaltsangabe

1. Introduction. 1.1 OFDM-based wireless network overview. 1.1.1 Digital
broadcasting and DVB-T. 1.1.2 Wireless LAN and IEEE 802.11. 1.1.3 WiMAX and
IEEE 802.16. 1.2 The need for "cross-layer" design. 1.3 Organization of
this text. 2. OFDM Fundamentals. 2.1 Broadband radio channel
characteristics. 2.1.1 Envelope fading. 2.1.2 Time dispersive channel.
2.1.3 Frequency dispersive channel. 2.1.4 Statistical characteristics of
broadband channels. 2.2 Canonical form of broadband transmission. 2.3 OFDM
realization. 2.4 Summary. 3. PHY Layer Issues - System Imperfections. 3.1
Frequency synchronization. 3.1.1 OFDM carrier offset data mode. 3.1.2
Pilot-based estimation. 3.1.3 Non-pilot based estimation.. 3.2 Channel
estimation. 3.2.1 Pilots for 2D OFDM channel estimation . 3.2.2 2DMMSE
channel estimation. 3.2.3 Reduced complexity channel estimation. 3.3 I/Q
imbalance compensation. 3.3.1 I/Q Imbalance Model. 3.3.2 Digital
compensation receiver. 3.3.3 Frequency offset estimation with I/Q
imbalance. 3.4 Phase noise compensation. 3.4.1 Mathematical models for
phase noise. 3.4.2 CPE estimation with channel state information. 3.4.3
Time domain channel estimation in the presence of CPE. 3.4.4 CPE estimation
without explicit CSI. 3.5 Summary. 4. PHY Layer Issues - Spatial
Processing. 4.1 Antenna array fundamentals. 4.2 Beam forming. 4.2.1
Coherent combining. 4.2.2 Zero-forcing. 4.2.3 MMSE reception (optimum
linear receiver). 4.2.4 SDMA. 4.2.5 Broadband beam forming. 4.3 MIMO
channels and capacity. 4.4 Space-time coding. 4.4.1 Spatial multiplexing.
4.4.2 Orthogonal space-time block coding. 4.4.3 Concatenated ST
transmitter. 4.4.4 Beam forming with ST coding. 4.4.5 ST beam forming in
OFDM. 4.5 Wide-area MIMO beam forming. 4.5.1 Data model. 4.5.2 Uncoded OFDM
design criterion. 4.5.3 Coded OFDM design criterion. 4.6 Summary. 4.7
Appendix I: Derivation of Pe. 4.8 Appendix II: Proof of Proposition 5. 4.9
Appendix III: Proof of Proposition 6. 5. Multiple Access Control Protocols.
5.1 Introduction. 5.2 Basic MAC protocols. 5.2.1 Contention based
protocols. 5.2.2 Non-contention based MAC protocols. 5.3 OFDMA advantages.
5.4 Multiuser diversity. 5.5 OFDMA optimality. 5.5.1 Multiuser multicarrier
SISO systems. 5.5.2 Multiuser multicarrierMIMO systems. 5.6 Summary. 5.7
Appendix I: Cn(p) is a convex function in OFDMA/SISO case. 5.8 Appendix II:
C(p) is a convex function in OFDMA/MIMO case. 6. OFDMA Design
Considerations. 6.1 Cross layer design introduction. 6.2 Mobility-dependent
OFDMA traffic channels. 6.2.1 OFDMA traffic channel. 6.2.2 System model.
6.2.3 Channel configuration for fixed/portable applications. 6.2.4 Channel
configuration for mobile application. 6.3 IEEE 802.16e traffic channels.
6.4 Summary. 7. Frequency Planning in Multi-cell Networks. 7.1
Introduction. 7.1.1 Fixed channel allocation. 7.1.2 Dynamic channel
allocation. 7.2 OFDMA DCA. 7.2.1 Protocol design. 7.2.2 Problem formulation
for the RNC. 7.2.3 Problem formulation for BSs. 7.2.4 Fast algorithm for
the RNC. 7.2.5 Fast algorithm for BSs. 7.3 Spectrum efficiency under
different cell/sector configurations. 7.3.1 System configuration and
signaling overhead. 7.3.2 Channel loading gains. 7.4 Summary. 8. Appendix..
8.1 IEEE 802.11 and WiFi. 8.1.1 802.11 overview. 8.1.2 802.11 network
architecture. 8.1.3 The MAC layer technologies. 8.1.4 The physical layer
technologies. 8.2 IEEE 802.16e and Mobile WiMAX. 8.2.1 Overview. 8.2.2 The
physical layer technologies. 8.2.3 The MAC layer technologies. 8.3
Performance analysis of WiMAX systems. 8.3.1 WiMAX OFDMA-TDD. 8.3.2
Comparison Method. Notations and Acronym. About the Authors. Index.